#assumption-load-dialog {
    width: min(440px, calc(100vw - 48px));
    box-sizing: border-box;
    margin: auto;
    padding: 32px;
    border: 1px solid #cdded5;
    border-radius: 12px;
    background: #fff;
    color: #193b36;
    text-align: center;
    box-shadow: 0 20px 64px #12362b33;
}
#assumption-load-dialog::backdrop { background: #102b2866; }
#assumption-load-dialog h2 { font-size: 20px; margin: 16px 0; }
#assumption-load-dialog p { font-size: 13px; line-height: 1.6; }
#assumption-load-step { color: #137b46; font-weight: 600; }
#assumption-load-elapsed { color: #61756e; }
.assumption-load-spinner {
    display: inline-block;
    width: 32px;
    height: 32px;
    border: 3px solid #e2eee7;
    border-top-color: #138047;
    border-radius: 50%;
    animation: assumption-load-spin 1s linear infinite;
}
@keyframes assumption-load-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
    .assumption-load-spinner { animation: none; }
}